Aristotelis P. Mitsos was born in Athens in 1970.

He graduated from Varvakios Protipos School of Athens in 1987 and entered the Military Medical Academy (SSAS).

He studied medicine in Aristotle University of Thessaloniki and took his degree as medical doctor in July 1993.

He was trained in neurosurgery in the Department of Neurosurgery of the 401 Athens Army General Hospital and Athens General Hospital �G.Gennimatas�, being appointed as Consultant Neurosurgeon in February 2003.

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Between 2005 and 2007, he went to Oxford, Great Britain, where he sub-specialized in the vascular lesions of the brain and the spinal cord and their endovascular treatment (embolisation) taking also the degree of Master of Science (MSc) of Oxford University in Endovascular Neurosurgery / Interventional Neuroradiology.

Currently, he serves Greek Army as Lt Colonel as Consultant Neurosurgeon in 401 Athens General Army Hospital, being the Vice-Chairman of the Department of Neurosurgery and the Director of the Neuroendovascular-Emboisation Department at the same hospital. He also has collaboration with the Mediterraneo Hospital of Athens for neurusrgical and neuroendovascular procedures.

His main interest is the surgical treatment of brain and spinal cord lesions, being also specialized in the embolisation of brain aneurysms and vascular malformations.